Monitoring the integrity of machine assemblies by using surface response to excitation (SuRE) approach

I. Tansel, Gurjiwan Singh, G. Singh, S. Korla, B. Grisso, L. Salvino, Balemir Uragun
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引用次数: 7

Abstract

Fully automated integrity inspections of assembled autonomous space vehicles components are essential for their reliable and cost effective operation. Many researchers have already used structural health monitoring (SHM) methods for detecting loose bolts, plate defects, and many other structural problems. This study had two objectives. First, the performance of the surface response to excitation (SuRE) approach was tested for the detection of the compressive forces of a clamp applied to a small plate. The test indicated that the suRE approach could be used for detection of loose bolts attached to an aluminum plate. Secondly, the same approach was tested when the clamp was attached to a plate which was welded to the plate carrying the actuator and the sensor. The study demonstrated that the swept sine waves transmit through the welded joints. The integrity of the components could be evaluated by using the sensor and actuator located at another plate, as long as the plates are welded properly. The Lamb wave approach was also tested in both test conditions. SuRE approach was easier to interpret compare to the envelopes of the Lamb wave approach for our relatively small plates.
使用表面响应激励(SuRE)方法监测机器组件的完整性
自主空间飞行器组件组装的全自动完整性检测对其可靠和经济有效地运行至关重要。许多研究人员已经使用结构健康监测(SHM)方法来检测螺栓松动、板缺陷和许多其他结构问题。这项研究有两个目的。首先,测试了表面激励响应(SuRE)方法的性能,用于检测施加在小板上的夹具的压缩力。试验表明,suRE方法可用于检测铝板螺栓松动。其次,同样的方法进行了测试,当夹具连接到一个板,这是焊接到承载驱动器和传感器的板。研究表明,扫描正弦波在焊接接头中传播。组件的完整性可以通过使用位于另一个板上的传感器和执行器来评估,只要板是焊接正确的。兰姆波方法也在两种测试条件下进行了测试。对于相对较小的板块,SuRE方法比Lamb波方法的包络线更容易解释。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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